16366516 has 12 divisors (see below), whose sum is σ = 28669732. Its totient is φ = 8175168.

The previous prime is 16366489. The next prime is 16366523. The reversal of 16366516 is 61566361.

It can be written as a sum of positive squares in 2 ways, for example, as 10265616 + 6100900 = 3204^2 + 2470^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6946 + ... + 8998.

Almost surely, 2^16366516 is an apocalyptic number.

It is an amenable number.

16366516 is a deficient number, since it is larger than the sum of its proper divisors (12303216).

16366516 is a wasteful number, since it uses less digits than its factorization.

16366516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050 (or 4048 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 16366516 is about 4045.5550917025. Note that the first 3 decimals coincide. The cubic root of 16366516 is about 253.8937907161.

The spelling of 16366516 in words is "sixteen million, three hundred sixty-six thousand, five hundred sixteen".